Use Safe::add() in tiffvisitor_int.cpp #2390
Merged
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tiffvisitor_int.cpp
has a couple of hand-coded integer overflow checks, the first of which didn't actually work correctly. This PR replaces them withSafe::add
. It has caused some of the test files to produce different error messages than before, so there are a few test changes.The diff is best viewed with whitespace changes hidden, because I added a try-catch which has changed the indentation.